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Finding the Fourth Proportional to 15,310.23, 22,943.95 and 8,275.07

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Solution

The fourth proportional to 15,310.23, 22,943.95 and 8,275.07 is: 12,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.23 : 22,943.95 = 8,275.07 : x
  2. Step 2: Convert to fraction form
    15,310.23/22,943.95 = 8,275.07/x
  3. Step 3: Cross multiply
    15,310.23x = 22,943.95 × 8,275.07
  4. Step 4: Simplify right side
    15,310.23x = 189,862,792.33
  5. Step 5: Solve for x
    x = 189,862,792.33/15,310.23
  6. Step 6: Final answer
    x = 12,401.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.